Adjustable support assembling member

ABSTRACT

An adjustable support assembling member is disclosed in the utility model, which comprises a base, a bottom support body, and an upper support body. The bottom support body is seated on and fixedly connected to the base. The upper support body and the bottom support body are connected and are slidable vertically relative to each other. The utility model transforms parts that must be customized into general-purpose adjustable products that can be batch-produced in advance, which greatly shortens preparation time of users and reduces the price of products. It is also conducive to stabilizing and improving the quality of products. Different functional requirements of users can be realized only by replacing or adding individual parts, and the number of shared parts between different functional products is increased, thereby greatly reducing the cost of developing molds, fixtures, and inspection tools, and shortening the development cycle of products.

TECHNICAL FIELD

The utility model relates to the field of customized furnituremanufacturing and support structure installation technologies, and inparticular, to an adjustable support assembling member.

BACKGROUND

In recent years, with the continuous improvement of science andtechnology, people have increasingly high demands for home decorationand increasingly high quality requirements.

Nowadays, houses are all finely decorated, and requirements on homefurnishing furniture are increasingly high during home decoration, forexample, the quality of the furniture, the flatness of the furniture,the seamless connection between the furniture and the wall, etc.

The furniture support needs to be improved. Existing support membershave a relatively simple structure and poor adaptability, need to becustomized, which is time-consuming, and have a large overall structure,which is inconvenient in transportation and may have large errors duringinstallation.

The existing technology has the following shortcomings: most of existingsupport members need to be customized according to actual installationheights, which takes a long time overall, and it is extremely easy toscrap support members due to project design size errors or project sizedesign changes. The overall loss is increased, it is unable to quicklyadapt the support members to different wall heights and tabletops forinstallation and use, the overall installation stability is poor, and itis inconvenient for the staff to quickly assemble and use them.

SUMMARY

The purpose of the utility model is to provide an adjustable supportassembling member to solve the problems raised in the background.

In order to achieve the above objective, the utility model provides thefollowing technical solutions: an adjustable support assembling member,which comprises a base, a bottom support body, and an upper supportbody, wherein the bottom support body is seated on and connected to thebase; the upper support body and the bottom support body are connectedand are slidable vertically relative to each other; and the base isprovided with anchor bolts.

As a further preferred aspect of the present technical solution, a firsttop support body is further comprised, wherein the bottom of one end ofthe first top support body in the horizontal direction is connected tothe upper end of the upper support body; a plurality of screw holes areformed spaced apart on an upper end surface of the first top supportbody, and a plurality of through holes are formed spaced apart on alower end surface of the first top support body.

As a further preferred aspect of the present technical solution, anadjustable top support component is further comprised, wherein theadjustable top support component comprises a second top support body,the bottom of one end of the second top support body in the horizontaldirection is connected to the upper end of the upper support body; atabletop support assembling body is movably installed on the same end ofthe second top support body connected to the upper support body; thetabletop support assembling body is fitted to the second top supportbody; a first adjusting component is fixedly installed in the tabletopsupport assembling body, and a second adjusting component is fixedlyinstalled in the second top support body; a plurality of screw holes areprovided spaced apart on the upper end surface of the tabletop supportassembling body and a plurality of through holes are provided spacedapart on the lower end surface of an open top support body.

As a further preferred aspect of the present technical solution, thefirst adjusting component comprises a flange installed in the tabletopsupport assembling body and an adjusting bolt that passes through thebottom of the second top support body and is connected to the flange,and a gasket is installed between the adjusting bolt and the bottom ofthe second top support body.

As a further preferred aspect of the present technical solution, thesecond adjusting component comprises a flange installed in the secondtop support body, an adjusting bolt that passes through the flange andis connected to the flange, and a dome nut installed in the tabletopsupport assembling body. The top of the adjusting bolt abuts against thedome nut.

As a further preferred aspect of the present technical solution, a setof reinforcement bolts are installed symmetrically on both side walls ofthe tabletop support assembling body.

As a further preferred aspect of the present technical solution, whenthe bottom support body and the upper support body are of a hollowcolumn structure, one pair of side walls of the bottom support body areeach provided with a hole groove with one end open, and the other pairof side walls are each provided with first bolt holes; one pair of sidewalls of the upper support body are each provided with a ring-shapedfirst chute, and the other pair of side walls are each provided with aplurality of through holes and screw holes that are symmetrically spacedapart from top to bottom; and bolts pass through the first bolt holesand the first chutes in turn to realize vertical adjustment and lockedfixing of the upper support body and the bottom support body.

As a further preferred aspect of the present technical solution, whenthe bottom support body and the upper support body are of a wall-typecolumn structure, second bolt holes are formed on the side wall of thebottom support body; a ring-shaped second chute penetrating the uppersupport body is formed on the upper support body; and

bolts pass through the second bolt holes and the second chute in turn torealize vertical adjustment and locked fixing of the upper support bodyand the bottom support body.

As a further preferred aspect of the present technical solution, anextension plate is installed at one end of the tabletop supportassembling body away from the upper support body, and the extensionplate is provided with a ring-shaped third chute, bolts pass through thethird chute of the extension plate and are fixedly connected to boltholes on the tabletop support assembling body, gaskets are installedbetween the extension plate and the bolts; and an upper end surface ofthe extension plate is provided with screw holes, thus facilitatingfixing, through screws, of the extension plate to a tabletop to besupported.

As a further preferred aspect of the present technical solution, anL-shaped positioning plate is installed on a side wall of the bottomsupport body, and a plurality of screw holes are formed on one side wallof the L-shaped positioning plate.

As a further preferred aspect of the present technical solution, thelength of the tabletop support assembling body is selectable accordingto different depths of supported tabletops, and tabletops with differentdepths are supported by changing tabletop support assembling bodies withdifferent lengths.

An adjustable support assembling member is provided in the utilitymodel, which has the following beneficial effects.

The new structural design of the upper support body and the bottomsupport body enables adjustable sliding between the two, which achievesthe required support at different heights, can also achieve differentconnection methods and fixed connections in different directions, andcan achieve vertical adjustment and locked fixing.

Two side ends of the bottom support body are designed as open grooves,and the open first chute is clamped inward by bolts and nuts, so thatthe bottom support body better fixes the upper support body to completethe entire height adjustment.

The utility model is provided with a variety of adjusting components.The tabletop support assembling body is installed on the top supportbody through hinges or bolts, and vertical angle adjustment can beachieved as the hinges or bolts rotate. Through the coordination betweenthe first adjusting component and the second adjusting component, thebolt in the first adjusting component is responsible for pulling thetabletop support assembling body downward, and the bolt in the secondadjusting component is responsible for pushing the tabletop supportassembling body upward. The tabletop support assembling body can beadjusted and fixed at a required angle by the joint action of the twobolts, so that the tabletop support assembling body can be adapted todifferent angles of tabletops for adaptive installation, which increasesthe overall installation range of the device. At the same time, thereinforcement bolts are attached to and abut against the side walls ofthe top support body, thus enhancing the stability of the tabletopsupport assembling body and reducing left-right swaying thereof.

The utility model presents a variety of different structures, whichrespectively meet or select different structures according to requiredassembling methods in actual installation processes, and realizesdiversification, and the operation is convenient and fast.

An extension structure is further added to the end of the tabletopsupport assembling body, and the extension structure is movable andadjustable horizontally on the tabletop support assembling body, so asto meet the support of tabletops with different depths.

The support structure of the utility model is adjustable, thus havingwider universality for different projects. The main drawback in theprior art that support structures need to be customized for specificprojects is abandoned, and therefore, the support structure can bebatch-produced in advance, which can reduce the cost of the supportstructure, greatly shorten the preparation time, and can greatly reducethe scrapping of support structures due to project design size errors orproject size design changes.

The utility model transforms parts that must be customized in the priorart into general-purpose products that can be batch-produced in advance,which greatly shortens preparation time of users and reduces the priceof products. At the same time, it is also conducive to stabilizing andimproving the quality of products.

The utility model can realize different functional requirements of usersonly by replacing or adding individual parts, and the number of sharedparts between different functional products is increased, therebygreatly reducing the cost of developing molds, fixtures, and inspectiontools, and shortening the development cycle of products and savingcosts.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic three-dimensional structural view of an adjustablesupport assembling member according to Embodiment 1 of the utilitymodel;

FIG. 2 is a top view of an adjustable support assembling memberaccording to Embodiment 1 of the utility model;

FIG. 3 is a schematic three-dimensional structural view of an uppersupport body according to the utility model;

FIG. 4 is a schematic three-dimensional structural view of a bottomsupport body according to the utility model;

FIG. 5 is a top view of an adjustable support assembling member and awall that needs to be supported and fixed according to Embodiment 1 ofthe utility model;

FIG. 6 is a schematic three-dimensional view of an adjustable supportassembling member provided with an L-shaped positioning plate accordingto Embodiment 1 of the utility model;

FIG. 7 is a top structural view of an adjustable support assemblingmember provided with an L-shaped positioning plate according toEmbodiment 1 of the utility model;

FIG. 8 is a schematic three-dimensional view of an adjustable supportassembling member according to Embodiment 2 of the utility model;

FIG. 9 is a schematic three-dimensional view of an adjustable supportassembling member according to Embodiment 3 of the utility model;

FIG. 10 is a schematic three-dimensional view of the adjustable supportassembling member according to Embodiment 3 of the utility model fromanother angle of view;

FIG. 11 is a schematic rear view of the adjustable support assemblingmember according to Embodiment 3 of the utility model;

FIG. 12 is a schematic structural view of connection of a top supportbody, a tabletop support assembling body, and a reinforcement boltaccording to Embodiment 3 of the utility model;

FIG. 13 is a schematic partial enlarged view of parts of the adjustablesupport assembling member according to Embodiment 3 of the utilitymodel;

FIG. 14 is a schematic three-dimensional structural view of an extensionplate according to the utility model;

FIG. 15 is a schematic structural view of a second top support bodyaccording to Embodiment 3 of the utility model;

FIG. 16 is a schematic structural view of a tabletop support assemblingbody according to Embodiment 3 of the utility model;

FIG. 17 is a schematic structural view of an adjustable supportassembling member according to Embodiment 4 of the utility model;

FIG. 18 is another schematic structural view of the adjustable supportassembling member according to Embodiment 4 of the utility model; and

FIG. 19 is a schematic structural top view of the adjustable supportassembling member according to Embodiment 4 of the utility model.

In the drawings: 1. Base; 2. Bottom support body; 3. Upper support body;4. First chute; 5. First bolt holes; 6. Second chute; 7. Through holes;8. First top Support body; 9. Second top support body; 10. Tabletopsupport assembling body; 11. Screw holes; 12. Extension plate; 13.Flange; 14. Adjusting bolt; 15. Gasket; 16. Dome nut; 17. Reinforcementbolts; 18. Third chute; 19. L-shaped positioning plate; 20, Anchorbolts; 21. Wall that needs to be fixed; 22. Partition plate of the wallthat needs to be fixed; 23. Wooden block 24. Second bolt holes; 25.Second chute; 26. Eccentric bolts.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the utility model will beclearly and completely described below with reference to the drawings inthe embodiments of the utility model.

Embodiment 1

As shown in FIG. 1 to FIG. 4 , the utility model provides a technicalsolution: an adjustable support assembling member including a base 1, abottom support body 2, and an upper support body 3.

The bottom support body 2 and the upper support body 3 are of a hollowcolumn structure. A pair of side walls of the bottom support body 2 areeach provided with a hole groove 4 with one end open, and the other pairof side walls are each provided with a plurality of first bolt holes 5from top to bottom.

A pair of side walls of the upper support body 3 are each provided witha ring-shaped first chute 6, and the other pair of side walls are eachprovided with a plurality of through holes 7 and screw holes 11 that arespaced apart from top to bottom. The through holes 7 and the screw holes11 on the opposite side are on the same horizontal planes. The throughholes are designed to help a screwdriver to pass through the uppersupport body 3 to fasten screws that pass through the screw holes 11 onthe opposite side.

The bottom support body 2 is seated on the base 1, and the two arefixedly connected, which may be fixed by welding.

Anchor bolts 20 are installed on the base 1, so that the base is morefirmly fixed on the ground.

The upper support body 3 is inserted into the bottom support body 2 andcan move vertically along the bottom support body 2. After beingadjusted to a required height, a plurality of sets of bolts and nutspass through the first bolt holes 5 of the bottom support body 2 and thefirst chutes 6 of the upper support body 3, the plurality of sets ofnuts are locked, and the open first chutes 4 are clamped inward byfastening the bolts and nuts, so that the bottom support body can betterfix the upper support body to complete the entire height adjustment.

As shown in FIG. 5 , two ends of a wall 21 that needs to be supportedare partitioned first by a partition plate 22 to form a partitiongroove, and the entire adjustable support assembling member as shown inFIG. 1 is placed in the partition groove. The base 1 is installed on theground by anchor bolts 20, the bottom support body 2 is fixed on thebase, then the upper support body 3 is fixed to a wooden block 23 byscrews, and then the screws pass through the wooden block and are fixedto the partition plate, so that the entire wall is firmly supported andnot easy to collapse.

As shown in FIG. 6 to FIG. 7 , an L-shaped positioning plate 19 is alsoinstalled on the side wall of the bottom support body, and screw holes11 are formed on one side wall of the L-shaped positioning plate, and aplurality of bolt holes are formed on the other side. The L-shapedpositioning plate is fixed on the bottom support body 2 by bolts andnuts passing through the bolt holes, and then the L-shaped positioningplate is fixed to the wooden block by screws passing through the screwholes 11. In combination with the installation steps in FIG. 5 , thebottom support body and the upper support body are all fixed to anobject to be fixed, the upper and lower support bodies are both fixed,and the structure is more stable.

Embodiment 2

As shown in FIG. 8 , a difference from Embodiment 1 is that: on thebasis of Embodiment 1, a first top support body 8 is installed on thetop end of the upper support body 3; and the bottom of one end of firsttop support body in the horizontal direction is connected to the upperend of the upper support body 3.

It should be noted that one end of the top support body may behorizontally welded to the upper support body 3 or may be horizontallyfixedly connected to the upper support body 3 by bolts and nuts. Ofcourse, it is not limited to these two ways of connection.

Compared with Embodiment 1, the first top support body 8 is added. Byproviding the first top support body 8, when it is needed to adaptivelyfix a tabletop, the first top support body 8 is installed horizontallyon the top of the upper support body 3. The first top support body 8 canbe quickly adapted to a right-angle tabletop for assembly and use, andin cooperation with the slidable upper support body 3, it can then besynchronously adapted to walls and tabletops of different heights forinstallation, which improves the stability of the overall installation.

It should be noted that the first top support body 8 may be a hollowstructure, a plurality of screw holes 11 are provided spaced apart on anupper end surface thereof, and a plurality of through holes 7 areprovided spaced apart on a lower end surface thereof. The through holes7 and the screw holes 11 on the opposite side are on the same horizontalplanes, which is convenient for a screwdriver to pass through the firsttop support body 8 to fasten screws that pass through the screw holes 11on the opposite side.

Embodiment 3

As shown in FIG. 9 to FIG. 16 , a difference from Embodiment 1 is that:on the basis of Embodiment 1, an adjustable top support component isinstalled on the top of the upper support body 3. The adjustable topsupport component includes a second top support body 9, the bottom ofone end of the second top support body 9 in the horizontal direction isfixedly connected to the upper end of the upper support body 3. Atabletop support assembling body 10 is movably installed on the same endof the second top support body 9 connected to the upper support body 3,and the tabletop support assembling body 10 is fitted to the second topsupport body 9 or overlays the first top support body 9.

It should be noted that the second top support body 9 and the end of thetabletop support assembling body 10 may be connected by hinges or boltsand nuts to realize that the two can be rotated and adjusted on upperand lower horizontal planes, and the connecting manner is not limited tothe two ways of connection mentioned above.

A first adjusting component is fixedly installed in the tabletop supportassembling body 10, and the first adjusting component includes a flange13 installed in the tabletop support assembling body 10 and an adjustingbolt 14 that passes through a bottom screw hole of the second topsupport body 9 and is connected to the flange. A gasket 15 is installedbetween the adjusting bolt 14 and the bottom of the second top supportbody 9.

It should be noted here that the gasket 15 is arc-shaped. When thetabletop support assembling body is tilted at different angles, theadjusting bolt will also be tilted to avoid too early damage of theadjusting bolt due to a lateral force.

Screw holes 11 are formed on an end of the tabletop support assemblingbody 10 in contact with the tabletop, for fixed connection with thetabletop by screws.

A set of reinforcement bolts 17 are symmetrically installed on the twoside walls of the tabletop support assembling body 10 to enhance thestability of the tabletop support assembling body and reduce left-rightswaying thereof.

A second adjusting component is fixedly installed in the second topsupport body 9. The second adjusting component includes a flange 13installed in the top support body 9, an adjusting bolt 14 that passesthrough the flange and is connected to the flange, and a dome nut 16installed in the tabletop support assembling body 10. The top of theadjusting bolt is in contact with the dome nut, and the tabletop supportassembling body is adjusted by pushing the dome nut upward by theadjusting bolt.

An extension plate 12 is installed at one end of the tabletop supportassembling body 10 away from the upper support body. A ring-shaped thirdchute 18 is formed on the extension plate 12 in the middle. Bolts passthrough the third chute on the extension plate to be fixedly connectedto threaded holes on the tabletop support assembling body 10, so as torealize the sliding adjustment in the horizontal direction, thus meetingthe support requirements of tabletops with different depths. Gaskets areinstalled between the extension plate 12 and the bolts; and the upperend of the extension plate is provided with screw holes for connectionwith the tabletop.

A gasket is installed on one end of the extension plate 12 away from thetabletop support assembling body, so that the extension plate can bemaintained at the same height with the tabletop support assembling bodywhen it contacts with the tabletop.

Embodiment 4

A difference from Embodiment 3 is that in Embodiment 3, the bottomsupport body 2 and the upper support body 3 are of a hollow columnstructure, while in this embodiment, as shown in FIG. 17 to FIG. 19 ,the bottom support body 2 and the upper support body 3 are of a sidewall column structure. The side wall of the bottom support body 2 isprovided with second bolt holes 24, and the upper support body 3 isprovided with a ring-shaped second chute 25 penetrating the uppersupport body 3.

Bolts pass through the second bolt holes 24 and the second chute 25 insequence to achieve vertical adjustment and locked fixing of the uppersupport body 3 and the bottom support body 2.

It should be noted here that the bolts may be ordinary bolts, and thelevel of the upper support body and the tabletop support body may beadjusted by moving the bolts between the bolt holes and a gap in thegroove, thereby adjusting the level of the tabletop; the bolts may alsoadopt eccentric bolts 26, and the level of the upper support body andthe tabletop support body may be adjusted by rotating the eccentricbolts for adjustment, thus adjusting the level of the tabletop, whichplays a better role in adjustment, and facilitates better and perfectfixation with an object to be supported; or the above two methods arecombined.

Since the upper support body 3 of this structure can be freely tilted onthe bottom support body 2, the upper end of the upper support body 3 isfixedly installed with a tabletop support assembling body 10. The levelof the tabletop support assembling body 10 can be adjusted by adjustingan inclination angle of the upper support body 3, and the adjustment issimple and fast.

Similarly, an extension plate 12 is installed at the end of the tabletopsupport assembling body 10 away from the upper support body, and aring-shaped third chute 18 is formed on the extension plate 12. Boltspass through the third chute on the extension plate to be fixedlyconnected to bolt holes on the tabletop support assembling body 10.Gaskets are installed between the extension plate and the bolts, and theupper end surface of the extension plate is provided with screw holes11, for connecting to the tabletop.

On both sides of the bottom support body 2 and the upper support body 3,two types of screw holes with different diameters are symmetricallyprovided for installing wooden blocks for fixing the wall.

The working principle or assembling principle of the utility model is asfollows: when in use, the base 1 is quickly mounted in an area where itis to be installed by using anchor bolts. Because the upper support body3 is slidingly installed on the bottom support body 2 correspondingly,the overall height adjustment of the device is realized. The height ofthe upper support can be adjusted according to actual use requirements,and the upper support can be quickly adapted to walls with differentheights for reinforcement work. After the height adjustment iscompleted, installation bolts are correspondingly passed throughinstallation holes on the upper support and locked by nuts, thusrealizing reinforcement and fixation of the upper support. When it isnecessary to adaptively fix a tabletop, different forms of tabletopsupport assembling body structures are adopted in the above Embodiment 2to Embodiment 4 to meet the needs of the tabletop level adjustment inactual installation scenarios, thus realizing the diversification ofmarket demand. Moreover, the end of the tabletop support assembling bodyis further provided with an extension structure, and the extensionstructure can be moved and adjusted horizontally on the tabletop supportassembling body, so as to meet the support for the tabletops ofdifferent depths. The entire support structure is designed to beadjustable and has a wide range of universality for different projects,so it abandons the main drawback in the prior art that customization isrequired for specific projects. As a result, the support structure canbe batch-produced in advance, so the cost of the support structure canbe reduced, which greatly shortens the preparation time and can greatlyreduce the scrapping of support structures caused by project design sizeerrors or project size design changes.

Although the embodiments of the utility model have been shown anddescribed, those of ordinary skill in the art can understand thatvarious changes, modifications, replacements, and variations can be madeto these embodiments without departing from the principle and spirit ofthe utility model, and the scope of the utility model is defined by theappended claims and their equivalents.

1. An adjustable support assembling member, comprising a base (1), abottom support body (2), and an upper support body (3), wherein thebottom support body (2) is seated on and connected to the base (1); theupper support body (3) and the bottom support body (2) are connected andare slidable vertically relative to each other; and the base (1) isprovided with anchor bolts (20).
 2. The adjustable support assemblingmember according to claim 1, further comprising a first top support body(8), wherein the bottom of one end of the first top support body in thehorizontal direction is connected to the upper end of the upper supportbody (3).
 3. The adjustable support assembling member according to claim1, further comprising an adjustable top support component, wherein theadjustable top support component comprises a second top support body(9), the bottom of one end of the second top support body (9) in thehorizontal direction is connected to the upper end of the upper supportbody (3); a tabletop support assembling body (10) is movably installedon the same end of the second top support body (9) connected to theupper support body (3); the tabletop support assembling body (10) isfitted to the second top support body (9); a first adjusting componentis fixedly installed in the tabletop support assembling body (10), and asecond adjusting component is fixedly installed in the second topsupport body (9); the first adjusting component comprises a flange (13)installed in the tabletop support assembling body (10) and an adjustingbolt (14) that passes through the bottom of the second top support body(9) and is connected to the flange, and a gasket (15) is installedbetween the adjusting bolt and the bottom of the second top support body(9); and the second adjusting component comprises a flange (13)installed in the second top support body (9), an adjusting bolt (14)that passes through the flange and is connected to the flange, and adome nut (16) installed in the tabletop support assembling body (10). 4.The adjustable support assembling member according to claim 3, wherein aset of reinforcement bolts (17) are installed on both side walls of thetabletop support assembling body (10).
 5. The adjustable supportassembling member according to claim 1, wherein when the bottom supportbody (2) and the upper support body (3) are of a hollow columnstructure, one pair of side walls of the bottom support body (2) areeach provided with a hole groove (4) with one end open, and the otherpair of side walls are each provided with first bolt holes (5); one pairof side walls of the upper support body (3) are each provided with aring-shaped first chute (6); and bolts pass through the first bolt holes(5) and the first chutes (6) in turn to realize vertical adjustment andlocked fixing of the upper support body (3) and the bottom support body(2).
 6. The adjustable support assembling member according to claim 1,wherein when the bottom support body (2) and the upper support body (3)are of a wall-type column structure, second bolt holes (24) are formedon the side wall of the bottom support body (2); a ring-shaped secondchute (25) penetrating the upper support body (3) is formed on the uppersupport body (3); bolts pass through the second bolt holes (24) and thesecond chute (25) in turn to realize vertical adjustment and lockedfixing of the upper support body (3) and the bottom support body (2),and the level of the tabletop support assembling body (10) is adjustedby any of the following three methods A, B, C: A. adjusting a gapbetween the bolts and the second chute (25); B. the bolts used beingeccentric bolts; and C. using both A and B.
 7. The adjustable supportassembling member according to claim 6, wherein the tabletop supportassembling body (10) is fixedly installed at the upper end of the uppersupport body (3).
 8. The adjustable support assembling member accordingto claim 3, wherein an extension plate (12) is installed at one end ofthe tabletop support assembling body (10) away from the upper supportbody, the extension plate (12) is provided with a ring-shaped thirdchute (18), bolts pass through the third chute of the extension plateand are fixedly connected to bolt holes on the tabletop supportassembling body (10), gaskets are installed between the extension plateand the bolts, and an upper end surface of the extension plate isprovided with screw holes (11).
 9. The adjustable support assemblingmember according to claim 1, wherein an L-shaped positioning plate (19)is installed on a side wall of the bottom support body (2), and aplurality of screw holes (11) are formed on one side wall of theL-shaped positioning plate.
 10. The adjustable support assembling memberaccording to claim 7, wherein the length of the tabletop supportassembling body (10) is selectable according to different depths ofsupported tabletops.
 11. The adjustable support assembling memberaccording to claim 2, wherein when the bottom support body (2) and theupper support body (3) are of a hollow column structure, one pair ofside walls of the bottom support body (2) are each provided with a holegroove (4) with one end open, and the other pair of side walls are eachprovided with first bolt holes (5); one pair of side walls of the uppersupport body (3) are each provided with a ring-shaped first chute (6);and bolts pass through the first bolt holes (5) and the first chutes (6)in turn to realize vertical adjustment and locked fixing of the uppersupport body (3) and the bottom support body (2).
 12. The adjustablesupport assembling member according to claim 3, wherein when the bottomsupport body (2) and the upper support body (3) are of a hollow columnstructure, one pair of side walls of the bottom support body (2) areeach provided with a hole groove (4) with one end open, and the otherpair of side walls are each provided with first bolt holes (5); one pairof side walls of the upper support body (3) are each provided with aring-shaped first chute (6); and bolts pass through the first bolt holes(5) and the first chutes (6) in turn to realize vertical adjustment andlocked fixing of the upper support body (3) and the bottom support body(2).
 13. The adjustable support assembling member according to claim 7,wherein an extension plate (12) is installed at one end of the tabletopsupport assembling body (10) away from the upper support body, theextension plate (12) is provided with a ring-shaped third chute (18),bolts pass through the third chute of the extension plate and arefixedly connected to bolt holes on the tabletop support assembling body(10), gaskets are installed between the extension plate and the bolts,and an upper end surface of the extension plate is provided with screwholes (11).
 14. The adjustable support assembling member according toclaim 2, wherein an L-shaped positioning plate (19) is installed on aside wall of the bottom support body (2), and a plurality of screw holes(11) are formed on one side wall of the L-shaped positioning plate. 15.The adjustable support assembling member according to claim 3, whereinan L-shaped positioning plate (19) is installed on a side wall of thebottom support body (2), and a plurality of screw holes (11) are formedon one side wall of the L-shaped positioning plate.
 16. The adjustablesupport assembling member according to claim 7, wherein the length ofthe tabletop support assembling body (10) is selectable according todifferent depths of supported tabletops.